According to Dictionary.com, it is one word.
the entranceway was very long.
l'entrée
Entranceway at Main Street at Lafayette Boulevard was created in 1920.
Entranceway at Main Street at Darwin Drive was created in 1927.
Entranceway at Main Street at LeBrun Road was created in 1920.
Entranceway at Main Street at Roycroft Boulevard was created in 1918.
Entranceway at Main Street at High Park Boulevard was created in 1916.
the back entranceway into a house or building
no it is not an one word it is of two word
I think the word "ongoing" is only one word, but it has two syllables that are two separate words.
It is one word.
one word